Co‑parenting with your ex is not a beautiful journey of mutual growth…It’s more like being forced to do a group project with someone who loads the dishwasher wrong. Except the project is a whole human child and the deadline is 18 years.
You’re going to mess up. We all do.
But some messes leave deeper scars than others. Over the years, talking to family therapists, divorced parents, and kids who grew up in split homes, I’ve noticed the same five mistakes coming up again and again. Thankfully, they’re all fixable. Unfortunately, fixing them requires you to be the bigger person when every bone in your body wants to push against it. But it’s worth it. Let’s call it personal growth.
Co-Parenting Mistake 1: Using Your Child as a Messenger
You know how it happens. It’s Friday afternoon, your child is halfway out the door with their backpack, and you say, “Tell your father I need your soccer uniform by Tuesday.” Or, “Ask your mom if she’s going to remember to sign the permission slip this time.”
You just handed your child a live grenade. Now they have to walk into the other house, deliver your message, and wait for a reaction. If your ex sighs, rolls their eyes, or snaps back, your child feels that. They become the receiver and carrier of that tension. And they didn’t sign up for that job.
How to fix it:
Install a co‑parenting app like 2houses or use a dedicated WhatsApp group with no emojis and no small talk. Use it to discuss everything (logistics, schedules, late maintenance payments, who is doing school pick-ups) so that you can keep the children out of your communication completely.
If you absolutely must relay something verbally, keep it to one neutral sentence like: “I’ve sent your dad a message about Tuesday. No need to worry about it.”
Your child’s job is to be a child. Your job is to be the grown‑up who texts first.
Co-Parenting Mistake 2: Trash‑Talking Your Ex Within Earshot
Your ex did something infuriating and so typical. Again. You hop on the phone to your sister, venting out of total frustration. You keep your voice low, but your children are in the next room, pretending to watch YouTube.
But they hear you. Even if they don’t catch all the words, they hear and feel the tone, the contempt.
And, truthfully, when you criticise your ex, your child hears you criticising half of them because they are half of that person. That stings in ways they can’t understand or articulate. This weighs heavily on their little hearts and shoulders.
How to fix it:
Vent somewhere else. Call a friend from your car in the garage, write a furious note on your phone and delete it, scream into a pillow. Just don’t do it within earshot of your children.
If you slip up, apologise out loud and sincerely. Say, “I shouldn’t have said that about your mom. That was my frustration talking, and it wasn’t fair. I’m sorry.”
They need you to keep your adult feelings in the adult box. This isn’t about being fake about your ex or pretending that they’re perfect.
Co-Parenting Mistake 3: The “Fun House” vs. “Strict House”
This one is insidious. You worry that your child will prefer the other parent’s house, so you loosen the rules. You bend and allow more screen time, later bedtimes, ice-cream for breakfast.
Meanwhile, your ex is running a tight ship. They’re fully in the zone of finishing their homework before they can play, eating their full veggie portions, turning their bedtime lights out on time.
What’s happened is that you’ve created a psychological and emotional tug‑of‑war where your child learns that love equals leniency. And your ex, who is trying to raise a functional human, looks like the villain. Boring, strict, unapproachable, unyielding.
In the long term, this backfires anyway. Kids thrive on predictability, not chaos. They might say they prefer the fun house, but what they actually need is the same core structure in both places.
How to fix it:
Having identical rules is unrealistic. But, you can agree on the big three: a bedtime window, your mutual homework expectations, and screen time limits. Everything else (chores, weekend treats, how tidy their room has to be) can be house‑specific. Dad might not like them to leave dishes in the sink, while mom might prefer it. That’s ok.
If (when?) your child moans that the other house is more fun, you say (calmly),, “Different houses, different ways. Both ok.”
And if you’re the strict one, resist the urge to become the cool parent out of fear. Your children will thank you in 20 years.
Co-Parenting Mistake 4: Guilt‑Gifting
It’s normal to feel guilty, and to miss them during the week. So when you have them for the weekend, maybe you go big. This could look like fun days spent at the trampoline park, shopping sprees to buy them expensive labels, or ordering takeout three nights in a row.
You tell yourself it’s quality time. But, gifts aren’t your presence. And your children are not stupid. They know when you’re buying their love, even if they happily take the stuff. Their fondest memories will seldom include “mom buying me Reeboks” or “dad getting us an Xbox”.
Even worse, it creates an impossible comparison. The other parent, who has a normal budget and normal expectations, suddenly feels like the “poor” or “boring” house.
How to fix it:
Set a budget together and agree on gift spending limits, even for big events. Set a limit for for weekend activities too (like doing one special thing, not three). For the rest of the time you spend together, be together. Make pizzas, go for a walk, kick a ball around.
Your child would absolutely rather have your attention for two hours than your wallet for two minutes.
Co-Parenting Mistake 5: Turning Handover Time into a Hard-Core Negotiation
The handover experience can be rough. You pull up, your ex is already there, arms crossed, looking at their watch. You say a clipped hello, and the kids shuffle between you like nervous diplomats crossing a border. Even worse, one of you brings up something that turns into an argument while the little ones absorb every tense syllable.
Handovers are already emotional because they’re a moment of separation, switching worlds. If you add adult conflict to the mix, it becomes the worst five minutes of your child’s week.
How to fix it:
Make handovers aggressively boring.
Have a ritual: a quick hug, a “have a great few days”, and then a neutral phrase like “see you Thursday.” Don’t linger or share a passive‑aggressive reminder. If you need to discuss something, do it by text or app later.
For children who struggle with transitions, give them a handover object, like a small toy or book that travels with them between homes. It becomes a bridge, not a barrier.
And when you’re the receiving parent, have their favourite snack ready. It’s a small thing, but it says “you’re welcome here” without saying a word.
A Final Word
You won’t nail all of these straight away. You’ll use your kid as a messenger by accident. You’ll mutter something under your breath about your ex. You’ll buy them a new Nintendo Switch because you felt bad about missing sports day.
That’s normal. Divorce is messy, parenting is messier. Co‑parenting is just those two things wearing a trench coat and pretending to be functional.
The goal isn’t perfection, but repair. When you mess up, acknowledge it, say sorry, and try again tomorrow.
They’re not keeping a score of your mistakes, they’re just checking whether you’re still in their corner, still trying, still putting their peace ahead of your pride. So take a breath and do what you can with what you’ve got.
And if today was a dog show, try again tomorrow.
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